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VAQORAErythrosine B
Synonyms: Solvent Red 140 · Tetraiodofluoresceuin · Erythrosine · FD & C red no. 3
CAS No.15905-32-5
FormulaC20H8I4O5
Mol. weight835.90
Catalogue No.VQ-000566
PurityMicroscopy
HSN32049000
Erythrosine B (CAS 15905-32-5) – biological stain, Microscopy grade. C20H8I4O5, MW 835.9. From Vaqora Chemicals, with COA and worldwide delivery.
Pack sizesPrice on quotation · bulk available
25 g
100 g
500 g
1 kg
4 x 25 kg
Bulk / custom pack · kg to MT
Enquire Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing
About Erythrosine B
Vaqora Chemicals supplies Erythrosine B in Microscopy grade, a biological stain registered under CAS number 15905-32-5. The compound has the formula C20H8I4O5, corresponding to a molecular weight of 835.9 g/mol. Systematically, it is named 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one. Common synonyms include Solvent Red 140 and Tetraiodofluoresceuin.
It is supplied as a solid. Reported physical data include a melting point of 303 °C. Store sealed in a dry, well-ventilated location away from incompatible materials. Good laboratory practice and suitable PPE are recommended during handling.
It is commonly used for histology and cytology staining, microscopy, clinical laboratories and biological staining. Our customers for this product work in academic and industrial research, diagnostics and biotechnology and paints and coatings.
We offer Erythrosine B in 25 g, 100 g, 500 g and 1 kg packs with a batch-specific COA, and ship to customers worldwide.
Typical applications
- Histology & cytology staining
- Microscopy
- Clinical laboratories
- Biological staining
Industries
Specifications & identifiers
| Product name | Erythrosine B |
|---|---|
| Catalogue No. | VQ-000566 |
| CAS Number | 15905-32-5 |
| IUPAC name | 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one |
| Molecular formula | C20H8I4O5 |
| Molecular weight | 835.9 g/mol |
| Exact mass | 835.6551 |
| Grade | Microscopy |
| HSN code | 32049000 |
| InChIKey | OALHHIHQOFIMEF-UHFFFAOYSA-N |
| SMILES | C1=CC=C2C(=C1)C(=O)OC23C4=CC(=C(C(=C4OC5=C(C(=C(C=C35)I)O)I)I)O)I |
| PubChem CID | 3259 |
| Physical form | Solid |
|---|---|
| Appearance | Solid |
| Melting point | 303 °C |
| LogP (XLogP3) | 6 |
| H-bond donors / acceptors | 2 / 5 |
| TPSA | 76 Ų |
| Synonyms | Solvent Red 140, Tetraiodofluoresceuin, Erythrosine, FD & C red no. 3, 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro(2-benzofuran-3,9'-xanthene)-1-one, Erythrosine, sodium anhydrous, Erythrosin B, Tetraiodofluorescein, Iodeosin, Erythrosine acid, Erythrosine, phenolic, 2',4',5',7'-Tetraiodofluorescein |
Documents
Frequently asked questions
What is the CAS number of Erythrosine B?
The CAS Registry Number of Erythrosine B is 15905-32-5. It is also known as Solvent Red 140, Tetraiodofluoresceuin, Erythrosine.
What is the molecular formula and molecular weight of Erythrosine B?
Erythrosine B has the molecular formula C20H8I4O5 and a molecular weight of 835.9 g/mol. Its IUPAC name is 3',6'-dihydroxy-2',4',5',7'-tetraiodospiro[2-benzofuran-3,9'-xanthene]-1-one.
Which grade and pack sizes of Erythrosine B can I order?
We supply Erythrosine B in Microscopy grade, in 25 g, 100 g, 500 g, 1 kg, 4 x 25 kg packs. Larger bulk quantities and custom packing are quoted on request.
Do you provide a COA and SDS with Erythrosine B?
Yes. Every lot of Erythrosine B is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.
Can Erythrosine B be shipped internationally?
Yes. We export Erythrosine B worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.
Enquire about Erythrosine B
We reply within one business day with price, pack options, lead time and documentation.
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